package com.qjs.zzz.test;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

import com.qjs.course.service.CoreService;
import com.qjs.course.util.LogUtil;
import com.qjs.course.util.SignUtil;

public class CoreAction extends HttpServlet{
		private  Logger log = LogUtil.getLogger(CoreAction.class.getName());
	 	/** 
	     * 确认请求来自微信服务器 
	     */  
	    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {  
	    	log.error("---doGet-Start---");
	    	// 微信加密签名  
	        String signature = request.getParameter("signature");  
	        // 时间戳  
	        String timestamp = request.getParameter("timestamp");  
	        // 随机数  
	        String nonce = request.getParameter("nonce");  
	        // 随机字符串  
	        String echostr = request.getParameter("echostr");  
	  
	        PrintWriter out = response.getWriter();  
	        // 通过检验signature对请求进行校验，若校验成功则原样返回echostr，表示接入成功，否则接入失败  
	        if (SignUtil.checkSignature(signature, timestamp, nonce)) {  
	            out.print(echostr);  
	        }  
	        out.close();  
	        out = null;  
	    }  
	    
	    /** 
	     * 处理微信服务器发来的消息 
	     */  
	    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {  
	    	log.error("---doPost-Start---");
	    	// 将请求、响应的编码均设置为UTF-8（防止中文乱码）  
	        request.setCharacterEncoding("UTF-8");  
	        response.setCharacterEncoding("UTF-8");  
	  
	        // 调用核心业务类接收消息、处理消息  
	        String respMessage = CoreService.processRequest(request);  
	          
	        // 响应消息  
	        PrintWriter out = response.getWriter();  
	        out.print(respMessage);  
	        out.close();  
	    }  
}
